Pick up a test that was missed

Author: bdlucas1

test/builtin/drawing/doc_tests.yaml

@@ -25,7 +25,6 @@ doc-009:
     expr: DensityPlot[Sqrt[x * y], {x, -1, 1}, {y, -1, 1}]
 doc-010:
     expr: 'DensityPlot[x ^ 2 + 1 / y, {x, -1, 1}, {y, 1, 4}, ColorFunction -> (Blend[{Red, Green, Blue}, #]&)]'
-    skip: true # for now
 doc-011:
     expr: DensityPlot[x ^ 2 + 1 / y, {x, -1, 1}, {y, 1, 4}]
 doc-012: